Optical Flow Cell for Measuring Size, Velocity and Composition of Flowing Droplets

Optical Flow Cell for Measuring Size, Velocity and Composition of Flowing Droplets
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DOI:
10.3390/mi8020058
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发表时间:
2017-02-16
期刊:
影响因子:
3.4
通讯作者:
Niu X
Niu X
中科院分区:
工程技术3区
文献类型:
--
作者:
Hassan SU;Nightingale AM;Niu X

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本文报道了一种具有两条光路的光学流动池,它可以精确地定量流过微通道的液滴的尺寸和速度。流动池可以测量液滴在两个结合的光路之间通过所花费的时间,从而能够测量液滴的速度(0.2-5.45 mm/s)和尺寸(长度> 0.8 mm)。液滴的组成也可以通过光学吸收测量准确地量化。该设备占地面积小,使用低功耗,低成本的组件,这使得它非常适合用于现场部署和便携式分析设备。
Here an optical flow cell with two light paths is reported that can accurately quantify the size and velocity of droplets flowing through a microchannel. The flow cell can measure the time taken for droplets to pass between and through two conjoined light paths, and thereby is capable of measuring the velocities (0.2–5.45 mm/s) and sizes of droplets (length > 0.8 mm). The composition of the droplet can also be accurately quantified via optical absorption measurements. The device has a small footprint and uses low-powered, low-cost components, which make it ideally suited for use in field-deployable and portable analytical devices.
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